Hvac School - For Techs, By Techs

A conversation about the pros and cons of commercial vs. residential with Andrew Greaves from AK HVAC on Youtube

Three things done in an HVAC/R condenser and what it means

Many techs have said "That's the first thing you should have learned in school" These 4 rules are my vote for the first things to learn in school.

In this episode we speak with founder of Refrigeration Technologies John Pastorello all about chemicals and cleaners and how to best clean a coil

Danfoss ERC 213 Timestamps: 10:30 – Key Features 10:41 – Voltage Protection 10:56 – Compressor Protection 14:43 – Applications 15:15 – App 0 No predefined application 15:28 – App 1 Medium temperature ventilated refrigeration units with timed natural defrost 15:52 – App 2 Medium temperature ventilated refrigeration units with timed electrical defrost 16:03 – App 3 Low temperature ventilated refrigeration units with timed electrical defrost 16:13 – App 4 Medium temperature ventilated refrigeration units with electrical defrost (by temperature) 16:26 – App 5 Low temperature ventilated refrigeration units with electrical defrost (by temperature) 16:37 – App 6 No predefined application with simplified list of parameters 19:45 – Sensors 22:06 – Basic Groups of Parameters 23:09 – r-- Thermostat 23:12 – r00 Temperature setpoint 23:24 – r01 Differential 23:32 – r02 Min setpoint limitation and r03 Max setpoint limitation 24:02 – r04 Display offset 25:19 – r05 Display Unit (°C/°F) 25:33 – r09 Calibration of Sair 25:47 –

In this podcast we discuss the real significance of superheat and why it is much more than "a way to set the refrigerant charge on a fixed metering device"

This is the story of WITH JOSHUA NICHOLLS FROM PLATINUM ELECTRICIANS and how he went from pulling wire, to creating a franchise empire to giving back. 

Jon Bennert with Air Oasis talks about Photo-catalytic Oxidation air purification, how it works and what it does. 

In this episode we talk air volume, density, weight and mass and why it matters to you

Ralph Wolf comes on and talks inverter systems, Mitsubishi, Bosch and what he’s up to nowadays

Part 2 - Bert (Kalos Tech) and Keiran (Kalos Apprentice) join Bryan in studio to talk through the basic refrigerant circuit and how it functions. They talk compressor, condenser, metering device and evaporator as well as the four lines and the states of the refrigerant as it travels

Part 1 -Bert (Kalos Tech) and Keiran (Kalos Apprentice) join Bryan in studio to talk through the basic refrigerant circuit and how it functions. They talk compressor, condenser, metering device and evaporator as well as the four lines and the states of the refrigerant as it travels

I talk with Corbett Lunsford about his new show about home diagnosis on PBS coming this Winter

Sean Harris with Positive Energy and Aeroseal Austin sat down with me at the humid climate conference and talked about how to seal ducts from the inside with Aeroseal

5 things residential techs need to consider when tasked with doing a PM on a commercial system.

Lee Andrews with Andrews Filters talks about the complicated and important topic of air filtration and why it matters to you and your customers

Have you ever struggled to repair a leak in an all aluminum coil? Lance Robinson with Solderweld talks about his product to do just that and makes a convincing case for aluminum repair.

This short episode covers the most misunderstood portion of Ohms law explained masterfully from 1921.